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| Term | Definition |
|---|---|
| Because Goddard's rocket contained liquid oxygen, it could burn beyond the atmosphere. | Five years before Thomas Edison died, The American inventor Robbert Guddard launched his first liquid fuel rocket. Why was his liquid fuel rocket better or more effected than the solid fuel rockets? |
| 1906 | Radio waves were discovered by Guglielmo Marconi in 1888. In what year did the first voices & music get sent over the radio? |
| Terms | 2 |
| Creator | tennisgirl988 |
| Created | May 2, 2008 |
| Groups | None |
| Subjects | None |
| Access | Anyone |
| Edit | Creator Only |